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Bug #23618
closedSIGFPE, Arithmetic exception in AsyncConnection::_process_connection
% Done:
0%
Source:
Development
Tags:
Backport:
luminous
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
(gdb) bt #0 0x00007f77454c303e in AsyncConnection::_process_connection (this=this@entry=0x55b71778c700) at /home/brad/working/src/ceph4/src/msg/async/AsyncConnection.cc:974 #1 0x00007f77454c49f8 in AsyncConnection::process (this=<optimized out>) at /home/brad/working/src/ceph4/src/msg/async/AsyncConnection.cc:822 #2 0x00007f77454d536d in EventCenter::process_events (this=this@entry=0x55b717573700, timeout_microseconds=<optimized out>, timeout_microseconds@entry=30000000, working_dur=working_dur@entry=0x7f773f0542d8) at /home/brad/working/src/ceph4/src/msg/async/Event.cc:412 #3 0x00007f77454d8034 in NetworkStack::<lambda()>::operator() (__closure=0x55b71766d2f8) at /home/brad/working/src/ceph4/src/msg/async/Stack.cc:53 #4 std::_Function_handler<void(), NetworkStack::add_thread(unsigned int)::<lambda()> >::_M_invoke(const std::_Any_data &) (__functor=...) at /usr/include/c++/7/bits/std_function.h:316 #5 0x00007f77420d814f in execute_native_thread_routine () from /lib64/libstdc++.so.6 #6 0x00007f77427c550b in start_thread () from /lib64/libpthread.so.0 #7 0x00007f77417f916f in clone () from /lib64/libc.so.6 (gdb) l 974 969 970 ldout(async_msgr->cct, 20) << __func__ << " connect peer addr for me is " << peer_addr_for_me << dendl; 971 lock.unlock(); 972 async_msgr->learned_addr(peer_addr_for_me); 973 if (async_msgr->cct->_conf->ms_inject_internal_delays) { 974 if (rand() % async_msgr->cct->_conf->ms_inject_socket_failures == 0) { 975 ldout(msgr->cct, 10) << __func__ << " sleep for " 976 << async_msgr->cct->_conf->ms_inject_internal_delays << dendl; 977 utime_t t; 978 t.set_from_double(async_msgr->cct->_conf->ms_inject_internal_delays); (gdb) p async_msgr->cct->_conf->ms_inject_socket_failures $2 = 0
If ms_inject_internal_delays is set, but ms_inject_socket_failures is left at its default value of zero we get an fpe. Elsewhere similar code is wrapped in a test of ms_inject_socket_failures so let's do that.
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